Thio-{62 -lactam penicillins

ABSTRACT

Thio- beta -lactam penicillins of the general formula   &lt;IMAGE&gt; wherein R is hydrogen, lower alkyl, phenyl-lower alkyl, trihaloethyl, alkali metal or alkaline earth metal; R1 is hydrogen, lower alkyl, cycloalkyl, phenyl, lower alkoxyphenyl, phenoxy, phenyl-lower alkyl or certain heterocyclic groups; R2 is hydrogen, amino, carboxy or ureido; and n is 0 or 1; are useful as antimicrobial agents.



